Nut and bolt lock



(No Model.) I

o. VAN DUSEN. NUT AND BOLT LOCK.

Patented A-pr. lli-1884.

(JlA

l 7 UNITED STATES,Y PATENT Ormes.

`cHAitLns vAN DUsnN, F NEW ALBANY, INDIANA, AsslGNon onoNE-HALF TO WILLIAM L. BBEYFOGLE,

OF LOUISVILLE, KENTUCKY.

NUTAND BOLT LOCK.

SPECIFICATION forming part of Letters Patent No. 295,960, dated April 1, 1884.

(No model.)

Albany, in the county of Floyd and State of Indiana, have invented certain new and useful Improvements in Nut and .Bolt Locks, of which the following is a full, clear, and exact description.

i This invention relates to a device for use in securing bolts, rods, and like screw-threaded or other fastening mediums in place against accidental detachment from the thing by them secured.

In a priorinvention of mine, for which I have,

applied for Letters Patent of the United States,

a fixed tooth was employed in the plane of the body, and a movable lever member was used to draw such tooth, and thereby force` it and itself' to a greater or less extent into the subl stance of the bolt over the nut, to prevent said nut from being accidentally run or `worked off. My present invention differs from that in subl stituting a plurality of lever members for the tooth and lever member thereof; and the invention consists in a plate of metal, prefera` bly steel, having a plurality of lever members, with sharp edges, `partly severed from the plate and turned out from itsbody atan angle or incline toits plane, and adapted to be applied to a bolt to hold its nut, or to a rod to hold it in 4place by driving its lever members more or less into the substance of the bolt or rod.

The. invention-further consists in the details of construction, `substantially as hereinafter specifically set forth and claimed.

In accompanying drawings, in the several figures of which like parts are similarly designatedand which yshow various forms of my invention, Figure I isa perspective view ofthe locking device, looking at its under side. Fig.

ing one mode of applying my lock; Fig. 10, a similar view of the lock applied; Fig. 11, a similar view of the lock shown in Fig. 8 applied; Figs. 12 and 13, partlysectional elevations, showing my invention in its application as a rod or non-threaded bolt-lock; Fig. 14, a top plan view of the lock provided with edge incisions to obtain tongues to turn down against a nut when itis run from the lock, as illustrated in Fig. l5 in elevation.

To form my lock I cut or stamp, from steel or other hardand tough plate or sheet metal, an oblong or other-shaped piece, a, and provide it with an opening, b, of slightly greater diameter than the rod or bolt to which it is to be applied. At the same time, or just previously, I cut from opposite sides or points two tongues, c c, and provide them with one, (Fig.

A5,) two, (Figs. l, 4, 7, and 14,) three, (Fig.

6,) or more teeth, d. These tongues are separated from the piece a, along their longitudinal edges, and remain fast or attached thereto by thoseportions opposite their toothed ends, and are turned out in a somewhat curvilinear, or it may be a straight direction, at an angle or incline to the plane of the piece a., either below or above the same. Two, three, or more of such tongues are provided in each plate or ring. I prefer to make the plate or ring somewhat wider at the places in which the tongues are cut, to give more stock, and hence greater strength to the tongues. These tongues project into the opening Z1, or, in other words, are of greater length than the width of the ring or perforated plate.

To `apply this lock I first put the nut in position and then drop the lock, tongues down, l

upon the nut, and by any suitable tool, as a hollowed block, e, Fig. 9, and hammer, impart a few smart blows, which will drive the lock toward the nut, and their points meeting the resistance of the bolt, the tongues will tend to a horizontal plane, and consequently their teeth will be driven more or less into the sub stance or thread of the bolt, and thereby securely hold the lock against accidental detachment, andso prevent the running and working off of the nut and the breaking of the fastening made by it. The tongues, under the action of the force used to apply the locks, straighten out into or nearly into the plane of the lock.

Instead of blows, pressure or other force may v be used to apply the locks. It will be ob- 5 served that the junction of these tongues wit-hthe plate or ring forms, as it were, a pivot or fulcrum for each, upon which, under the influence of the applying force, they act as levers. Hence I have herein called them lever members. Fig. shows the lock thus driven to place. Where the lever members or tongues stand up from the plate, they are driven to place by force imparted in the direction of the arrows, Fig. 11; and as one illustration ,of means for applying such force I may refer to 'the hollow block e, (shown in Fig. 9,) the lower edges of which for this purpose are beveled on the inside, as indicated by dotted lines, to meet the upwardly-extended tongues at the 2o 'proper angle to drive them by force applied to the blocks into the bolt.

As these locks are of preferably hard steel, they readily enter the substance of wroughtiron or other metal, and hence they alone may be employed to hold metal rods to their places, as indicated in Figs. 12 and 13.

As it is sometimes necessary to run nuts down from their iirst position by reason of wear or shrinkage, &c., so as to tighten the 3o joint of fastening, I may provide the lock also with edge incisions f, which permit the turning down against the sides of the nut of one or more tongues, g, to render the lock effectual on such a run-down nut, as illustrated in Figs. 14 and 15.

The edges of the tooth or teeth of the lever members may be more or less sharp, the deep er and more readily to enter the substance of that to which they are applied.

What I claim is- 4o 1. A nut or bolt lock consisting of a piece, plate, or ring of metal having a plurality of lever members partly severed and turned from its body atan angle or incline to its plane, and edged or toothed and adapted by a blow or force to be driven into the substance of the bolt or rod, substantially as and for the pur# pose described. y

2. In a nut or bolt lock, a plate or lring of metal adapted to be placed around a bolt or rod, and having a plurality of toothed lever members, partly severed from its substance, projecting into its opening for the bolt or rod, and turned out from the body of the plate orv ring at an angle or incline to its plane, and adapted to be forced home into the substance of the rod or bolt, substantially as and for the purpose described.

3. The combination of the ring, plate, or piece of metal having the bolt or rod opening, the plurality of toothed lever members partly severed therefrom, and turned out from and at an angle orincline to its body to engage abolt or rod, and the partly-severed edge pieces, arranged to be turned down upon the sides of 65 a nut, to lock said nut after it has been run down from the plate in tightening up a loosened fastening or joint, substantially as shown and described.

In testimony whereof I have hereunto set 7o my hand this 24th day of November, A. D. 1883.

CHARLES 4VABT DUSEN.

Witnesses:

J. K. FAULKNER, Jr., JAS. L. MONAMEE. 

